26.48% is the change from 253 to 320
Calculation steps:
[( 320 - 253 ) ÷ 253] x 100 = 26.48%
Formula
Percentage change = [(320 - 253) / 253] x 100
Subtract the new number by the original number
320 - 253 = 67
67 ÷ 253 = 0.2648221343873518
0.2648221343873518 x 100 = 26.48%